CM400 – HF is Not Dead

Puzzle:

Good luck.
Hints:
- Once you get to the End, Start back at the beginning and dig deaper...
- There is a script embedded in the audio file with Stego... Apply it to the key you get at the end.
Files:
HF Audio Broadcast HFBroadcast.wav.zip
/pre>

Solution:

I didn’t complete this one. Good luck! I believe it has something to do with the enigma machine. Key:

CM500 – Call Me

Puzzle:

-- PUZZLE INFORMATION --
A mysterious woman approaches you about a covert operation. She is willing to reward you handsomely, says "Call me", and gives you a business card with this printed on it:
1d359884c94ca31fbde65ae2d32047cf
Good luck!
Hint:
XXX-XXX-XXXX
-- FILES PROVIDED --
None